Answer / narendra sharma

STEP UP transformer because they transfer the supply through
long distance cables

Answer / shashibhushan

In switch-yard, a power transformer is used to step up or
step down the transmission voltage.

Current and Voltage transformers are located at points
within the switch-yard to provide for metering and relaying.

Answer / ankalreddy.s

In Generating sub Station normally Step up transformers to
step up 11 kv to Transmission Voltage and vector Group is
Star delta.

Ankal Reddy.S

Answer / pradeep

Step up transformer

Answer / shafi

Dear All, for your information, eithere in s/s or in
generation plant or power distribution or step up or step
dowan, application of transformer in switchyard mainly
power transformer with oil & spacified DYn11 transformers

Answer / anilkumar

SELECTION OF TRANSFORMERS DEPENDING UP ON SO MANY
FACTORS...LIKE VOLTAGE GENERATED,CAPACITY OF POWER
PLANT,..ETC..IT MAY BE STEP UP OR STEP DOWN ..POWER OR
DISTRIBUTIONS..ETC..THAT WILL DECIDE THE CONSUMER REQUIREMENT.

Answer / priyatham

core type transformers are used for high voltage rating

Answer / shafi

Spacificaly In power plant Step Up transformer, oil filled
type, ONAN to be used

Answer / lb chongthu

STEP UP/STEP DOWN AUTO TRANSFORMER 400 KV/132KV are also
used for long and VERY high Voltage. 11 KV/ 132 KV are also
very common in used for transmission.

Answer / m.saravanakumar

stepdown transformer are used in switchyard in power plant because to provide for metering and relaying.

A cotter joint is generally used to transmit

0 Answers   Caterpillar,

Why the stator is rotated in ceiling fans not Rator?

3 Answers  

for a 11kv transmission line what capacity of CTs & PTs are required?

4 Answers  

how to convert star network in delta or vice versa...?

1 Answers   Toyota,

What is the difference between solid grounding and impedance grounding?

0 Answers  

what is the relation between voltage & frequency

11 Answers  

What is the significance of 3.5 core cable ????

8 Answers   Intelux Electronics,

what is the basis for selection of Protection CT class ? How anyone can decide whether to go for 5P10 or 5P20 ?

3 Answers  

why grid frequency varry time to time?

2 Answers  

Why synchorised generators are used for the production of electricity?

0 Answers  

Based on CPI/CGPA they shortlist the candidates & than directly start Interview so there is no Written Exam or GD Only PI.Interview held @ MNNIT , ALLAHABAD On-Campus on 6th,Aug, 2007 & the Questions asked to me by Interview Board ( 4 People) are from HR/SummerTraining/BTP/Subject-core, POWER SYSTEM & MACHINE. time duration of I/V is about 15-20 Minutes. HR- Q.1 Name,hobbies & About family background ? Q2.What u know abt NTPC ?? Q3.Why u want to choose NTPC as ur Carrier's starting i.e power sector not any other Oragnisation or sector ?? Techincal Questions- Q1.What is the reason for transformer Noise ?? Q2.Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ? Q.3 Which Machine u will prefer 2 use if flammble gases are coming out at a place & why ?? Q4.What is relation b/w Transmission Lines & Communication Lines ? Q5.What is the maximum capacity Synchronus Machine & total powerGeneration in our country ? Q.6 In india Power generation is at 50Hz while in America its 60 hz ,why so ?? Advantage or disadvantage ?? Q.7 Maximum Generation Voltage in india ? Q8. What is the Voltage regulation & why its required n how much is permissible ? & causes of voltage variation ?? Q.9 Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? Q.10 Have u seen/ experience of any power plant/ industry related to the power sector ? so these are the questions which not too diffcult i think was asked to me.

6 Answers   NTPC,

how to measure the voltage drop in cables also give formulas to calculate.

3 Answers   Cable Wireless,